Fri September 13, 2013 By: Tamanna

which component of phloem is most important and why

Expert Reply
Sun September 15, 2013
Sieve tubes are the most important elements of phloem. They are slender, tube-like structures composed of elongated thin-walled cells, placed end to end. The main function of sieve tubes is to transport sugars and nutrients up and down the plant.
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